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https://www.readbyqxmd.com/read/27919942/a-single-intravesical-instillation-of-vax014-inhibits-orthotopic-superficial-bladder-tumor-implantation-to-increase-survival
#1
Bryan M Hancock, Kathleen L McGuire, Shingo Tsuji, Katherine Reil, Veronica Hernandez, Matthew J Giacalone, W T Godbey
BACKGROUND/AIM: VAX014 minicells (VAX014) have been previously characterized as an integrin-specific oncolytic biotherapeutic agent. The present study was designed to evaluate the potential of VAX014 as an immediate post-operative intravesical adjuvant therapy in the treatment of non-muscle invasive bladder cancer (NMIBC). MATERIALS AND METHODS: The ability of VAX014 to kill a panel of dissociated urothelial carcinoma cell lines was tested in vitro. In vivo experiments were conducted using a single intravesical dose of VAX014 in the anti-implantation variation of the MB49 syngeneic orthotopic bladder cancer model with tumor implantation and overall survival rates serving as study endpoints...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27909627/recurrence-of-childhood-nephrogenic-adenoma-in-urinary-bladder-developed-four-years-after-previous-surgery-despite-intravesical-sodium-hyaluronate-therapy
#2
Burak Özçift, Ayper Kaçar, Hüseyin Tuğrul Tiryaki
Nephrogenic adenoma (NA) is a rarely seen benign metaplastic lesion of the urinary tract. Its etiology is uncertain, but induced by chronic inflammation, irritation, and trauma. NA is located in the urinary tract, most commonly in the bladder. NA usually presents with hematuria and lower urinary tract symptoms. In the literature it is mostly seen in adults but about 30 cases of NA's have been reported in children. Treatment of intravesical lesions consists of transurethral resection (TUR) and fulguration and rarely partial or total cystectomy may be required in ineffective TUR...
December 2016: Turkish Journal of Urology
https://www.readbyqxmd.com/read/27908681/preoperative-anemia-is-associated-with-disease-recurrence-and-progression-in-patients-with-non-muscle-invasive-bladder-cancer
#3
Francesco Soria, Marco Moschini, Mohammad Abufaraj, Gregory J Wirth, Beat Foerster, Kilian M Gust, Mehmet Özsoy, Alberto Briganti, Paolo Gontero, Romain Mathieu, Morgan Rouprêt, Pierre I Karakiewicz, Shahrokh F Shariat
PURPOSE: To evaluate the effect of preoperative anemia (PA) on oncological outcomes in a multicenter cohort of patients with non-muscle-invasive bladder cancer (NMIBC) treated with transurethral resection of the bladder (TURB) and adjuvant intravesical therapies. We hypothesize that PA represents a marker of disease aggressiveness and could be used to improve the discrimination of prognostic tools for the prediction of disease recurrence and progression. METHODS: This multicenter retrospective study included 1,117 patients from 4 different centers...
November 28, 2016: Urologic Oncology
https://www.readbyqxmd.com/read/27903467/arterio-cutaneous-fistula-associated-with-bilateral-femoral-pseudoaneurysms-caused-by-bacillus-calmette-gu%C3%A3-rin-apropos-of-a-case-and-review-of-literature
#4
Álvaro Torres-Blanco, Francisco Gómez-Palonés, Gemma Edo-Fleta
Vascular complications of intravesical instillation of bacillus Calmette-Guérin (BCG) are rare. BCG is an attenuated strain of Mycobacterium bovis (M. Bovis) that was initially developed for vaccination against tuberculosis, but it has also been used as an adjuvant treatment for bladder transitional carcinoma. We report a patient with a history of instillation of BCG two years before, who underwent surgical treatment of 2 pseudoaneurysms. The first, located in the left superficial femoral artery (SFA), was resected and the artery was ligated because he had a history of femoropopliteal occlusion...
November 26, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27895377/frequency-and-predictors-of-recurrence-of-bladder-tumour-on-first-check-cystoscopy-a-tertiary-care-hospital-experience
#5
Muhammad Farhan, Syed Muhammad Nazim, Jibran Ahmed, Muhammad Hammad Ather
OBJECTIVE: To determine the frequency and predictors of non-muscle invasive bladder tumour recurrence on first-check cystoscopy after transurethral resection of bladder tumour. METHODS: This cross-sectional study was conducted at the Aga Khan University Hospital, Karachi, from April to November 2014, and comprised patients with a suspected newly-diagnosed urothelial cancer. Patients with non-muscle invasive disease with complete resection of all visible lesions along with deep biopsy from the tumour base were included...
October 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/27893591/endophthalmitis-in-a-patient-treated-with-bacillus-calmette-gu%C3%A3-rin-immunotherapy
#6
Julie Vadboncoeur, Sébastien Olivier, Hafid Soualhine, Annie-Claude Labbé, Marie-Lyne Bélair
BACKGROUND: Intravesical Bacillus Calmette-Guérin (BCG) instillation has become one of the mainstays of adjunctive therapy in the treatment of superficial bladder cancer. Ophthalmologic complications are rare, but few cases are reported in the literature. METHODS: Retrospective observational case report. RESULTS: The authors report a case of unilateral Mycobacterium bovis BCG endophthalmitis after intravesical BCG instillations. Despite appropriate systemic antituberculous and corticosteroid therapy, the patient almost completely lost sight in the affected eye...
November 23, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/27870887/epidermal-growth-factor-receptor-and-ki-67-as-predictive-biomarkers-identify-patients-who-will-be-more-sensitive-to-intravesical-instillations-for-the-prevention-of-bladder-cancer-recurrence-after-radical-nephroureterectomy
#7
Xingbo Long, Xiongbing Zu, Yuan Li, Wei He, Xiheng Hu, Shiyu Tong, Zhi Wang, Minfeng Chen, Lin Qi
BACKGROUND: To date, prophylactic intravesical chemotherapy after radical nephroureterectomy is one of the few available treatments that effectively prevent secondary bladder cancer. However, treating all patients with prophylactic intravesical chemotherapy is excessive for patients who are at a low risk or insensitive to the treatment. Thus, to guide individualized clinical treatment, in addition to identifying patients who are at risk of bladder cancer recurrence, it is equally necessary to identify the patients who will benefit the most from prophylactic, postoperative intravesical instillation therapy...
2016: PloS One
https://www.readbyqxmd.com/read/27843222/prolapsing-cystitis-cystica-causing-bladder-outlet-obstruction-an-unusual-complication
#8
Pankaj Halder, Kartik Chandra Mandal, Sumedha Mukherjee
Cystitis cystica (CC) is aproliferative disorder of bladder urothelium and usually subsides with medical therapy. However, this is not true for severe CC where surgical intervention is required to control breakthrough urinary tract infection (UTI). It may be mistaken as bladder neoplasm or posterior urethral valve, especially in children. Here, we report a case of CC in a 2-year-old boy where we had to excise the large pedunculated intravesical lesion to control breakthrough UTI and ongoing renal damage.
October 2016: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/27800054/administration-of-mycobacterium-phlei-cell-wall-nucleic-acid-complex-in-the-immediate-postoperative-period-for-the-treatment-of-non-muscle-invasive-bladder-cancer
#9
Álvaro Morales
INTRODUCTION: This review sought to investigate the safety of intravesical administration of Mycobacterium phlei cell wall-nucleic acid (MCNA) in the immediate postoperative period after biopsy/resection for non-muscle-invasive bladder cancer (NMIBC). METHODS: Patients with NMIBC who failed bacillus Calmette-Guérin (BCG) therapy and at high risk of recurrence and progression participated in this study. Treatment involved an induction phase of six weeks and maintenance of three weekly instillations every six months for two years...
September 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/27793653/urologic-outcomes-of-children-with-hemorrhagic-cystitis-after-bone-marrow-transplant-at-a-single-institution
#10
Jason K Au, Christopher Graziano, Rodolfo A Elizondo, Sheila Ryan, David R Roth, Chester J Koh, Edmond T Gonzales, Duong T Tu, Nicolette Janzen, Swati Naik, Abhishek Seth
OBJECTIVE: To analyzed clinical outcomes and the risk factors associated with genitourinary (GU) morbidity and mortality in children who present with Hemorrhagic Cystitis (HC) after bone marrow transplantation (BMT). METHODS: A retrospective chart review of patients with HC who had undergone BMT at a single pediatric hospital from 2008-2015 was conducted. Demographic data, severity of hematuria, HC management, and mortality were analyzed. Bivariate analysis and binary logistic regression were performed to identify risk factors...
October 25, 2016: Urology
https://www.readbyqxmd.com/read/27788495/evaluating-the-efficacy-and-safety-of-intravesical-chemotherapies-for-non-muscle-invasive-bladder-cancer-a-network-meta-analysis
#11
Chuanjun Zhuo, Xubin Li, Hongqing Zhuang, Shunli Tian, Hailong Cui, Ronghuan Jiang, Chuanxin Liu, Ran Tao, Xiaodong Lin
Various intravesical therapies have been introduced into clinical practices for controlling non-muscle invasive bladder cancer (NMIBC). However, evidence with respect to the efficacy and safety of those intravesical therapies is very limited. Hence, we present a network meta-analysis in order to address this limitation in the current literature. The primary outcomes were the risk of tumor recurrence (TR), tumor progression (TP) and disease-specific mortality (DM). Secondary outcomes included the risk of fever, cystitis and haematuria...
October 24, 2016: Oncotarget
https://www.readbyqxmd.com/read/27779483/the-influence-of-resiniferatoxin-on-the-chemical-coding-of-caudal-mesenteric-ganglion-neurons-supplying-the-urinary-bladder-in-the-pig
#12
E Lepiarczyk, A Dudek, J Kaleczyc, M Majewski, W Markiewicz, P Radziszewski, A Bossowska
Resiniferatoxin (RTX) is used as experimental drug therapy for a range of neurogenic urinary bladder disorders. The present study investigated the chemical coding of caudal mesenteric ganglion (CaMG) neurons supplying the porcine urinary bladder after intravesical RTX instillation. The CaMG neurons were visualized with retrograde tracer Fast Blue (FB) and their chemical profile was disclosed with double-labelling immunohistochemistry using antibodies against tyrosine hydroxylase (TH), neuropeptide Y (NPY), vasoactive intestinal polypeptide (VIP), somatostatin (SOM), calbindin (CB), galanin (GAL) and neuronal nitric oxide synthase (nNOS)...
August 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/27776977/emerging-role-of-checkpoint-inhibition-in-localized-bladder-cancer
#13
REVIEW
Parminder Singh, Peter Black
OBJECTIVE: Checkpoint inhibitors have rapidly become a standard treatment option for metastatic urothelial carcinoma. A wave of enthusiasm for these drugs has pushed them also into the setting of localized bladder cancer, including both non-muscle-invasive bladder cancer (NMIBC) and muscle-invasive disease bladder cancer (MIBC). Here, we aimed to review the emerging role of checkpoint inhibition in localized bladder cancer. METHODS: We reviewed the current treatment landscape for both NMIBC and MIBC and established a significant unmet clinical need for novel therapies...
December 2016: Urologic Oncology
https://www.readbyqxmd.com/read/27769244/natural-killer-cell-based-adoptive-immunotherapy-eradicates-and-drives-differentiation-of-chemoresistant-bladder-cancer-stem-like-cells
#14
Margarida Ferreira-Teixeira, Daniela Paiva-Oliveira, Belmiro Parada, Vera Alves, Vitor Sousa, Obinna Chijioke, Christian Münz, Flávio Reis, Paulo Rodrigues-Santos, Célia Gomes
BACKGROUND: High-grade non-muscle invasive bladder cancer (NMIBC) has a high risk of recurrence and progression to muscle-invasive forms, which seems to be largely related to the presence of tumorigenic stem-like cell populations that are refractory to conventional therapies. Here, we evaluated the therapeutic potential of Natural Killer (NK) cell-based adoptive immunotherapy against chemoresistant bladder cancer stem-like cells (CSCs) in a pre-clinical relevant model, using NK cells from healthy donors and NMIBC patients...
October 21, 2016: BMC Medicine
https://www.readbyqxmd.com/read/27761190/left-anterior-descending-coronary-artery-and-multiple-peripheral-mycotic-aneurysms-due-to-mycobacterium-bovis-following-intravesical-bacillus-calmette-guerin-therapy-a-case-report
#15
Petar Duvnjak, Mario Laguna
The use of live attenuated intravesicular Bacillus Calmette-Guerin (BCG) therapy is a generally accepted safe and effective method for the treatment of superficial transitional cell carcinoma (TCC) of the bladder. Although rare, < 5% of patient's treated with intravesicular BCG therapy may develop potentially serious complications, including localized infections to the genitourinary tract, mycotic aneurysms and osteomyelitis. We present here a case of a 63-year-old male who developed left coronary and multiple peripheral M...
August 2016: Journal of Radiology Case Reports
https://www.readbyqxmd.com/read/27759736/the-future-of-ureteroscopy
#16
Ben H Chew, Dirk Lange
Open ureterolithotomy and pyelolithotomy used to be first line therapy for treating kidney and ureteral stones. With the advent of shockwave lithotripsy, open stone surgery became less prevalent, but once ureteroscopy became more prevalent, open stone surgery became all but extinct. Advances in smaller, more flexible endoscopes and improvements in intracorporeal lithotripters, ureteroscopy has become a mainstay of therapy for kidney stones. The holmium:yttrium-aluminium-garnet laser can be utilized through flexible instruments and fragments any stone no matter what it is composed of...
December 2016: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/27750214/genomic-characterization-of-high-risk-non-muscle-invasive-bladder-cancer
#17
Joshua J Meeks, Benedito A Carneiro, Sachin G Pai, Daniel T Oberlin, Alfred Rademaker, Kyle Fedorchak, Sohail Balasubramanian, Julia Elvin, Nike Beaubier, Francis J Giles
The genetic mechanisms associated with progression of high-risk non-muscle-invasive bladder cancer (HR-NMIBC) have not been described. We conducted selective next-generation sequencing (NGS) of HR-NMIBC and compared the genomic profiles of cancers that responded to intravesical therapy and those that progressed to muscle-invasive or advanced disease. DNA was extracted from paraffin-embedded sections from 25 HR-NMIBCs (22 with T1HG; 3 with TaHG with or without carcinoma in situ). Ten patients with HR-NMIBC developed progression (pT2+ or N+) ("progressors")...
October 14, 2016: Oncotarget
https://www.readbyqxmd.com/read/27716887/intravesical-electro-osmotic-administration-of-mitomycin-c
#18
Savino M Di Stasi, Cristian Verri, Francesco Celestino, Francesco De Carlo, Vincenzo Pagliarulo
Bladder cancer is very common and most cases are diagnosed as nonmuscle invasive disease, which is characterized by its propensity to recur and progress. Intravesical therapy is used to delay recurrence and progression, while cystectomy is reserved for patients who are refractory to transurethral resection and intravesical therapy. There is an increasing interest in methods to enhance the delivery of intravesical chemotherapeutic agents to improve efficacy. In vitro and in vivo studies demonstrated that electro-osmosis of mitomycin C (MMC) is more effective in delivering this drug into the urothelium, lamina propria, and superficial muscle layers of the bladder wall than is passive transport...
October 4, 2016: Urologia
https://www.readbyqxmd.com/read/27716885/mitomycin-c-from-birth-to-adulthood
#19
Vincenzo Serretta, Cristina Scalici Gesolfo, Vincenza Alonge, Fabrizio Di Maida, Giovanni Caruana
Mitomycin C (MMC) intravesical therapy for "superficial" papillary bladder tumors was firstly introduced in the early seventies with promising results. In the following years, several pharmacokinetic studies investigated its mechanism of action to optimize the intravesical administration. Numerous studies confirmed thereafter both the ablative and the prophylactic efficacy and the low toxicity of MMC when intravesically given. In 1984, a complete response rate of 42% in 60 patients not responsive to thiotepa was reported with intravesical MMC at the dose of 40 mg diluted in 40 ml for 8 weeks...
October 4, 2016: Urologia
https://www.readbyqxmd.com/read/27701987/efficacy-and-safety-of-bladder-hydrodistension-for-decreased-bladder-capacity-induced-by-intravesical-bcg-therapy
#20
Kazuyuki Numakura, Norihiko Tsuchiya, Hiroshi Tsuruta, Susumu Akihama, Mitsuru Saito, Takamitsu Inoue, Shintaro Narita, Mingguo Huang, Shigeru Satoh, Tomonori Habuchi
OBJECTIVE: Intravesical BCG therapy is widely used for the treatment of high-risk, non-muscle-invasive bladder cancer. Among various reported side-effects, decreased bladder capacity is a serious side-effect that significantly worsens patients' quality of life. This article reports the efficacy and safety of bladder hydrodistension (BHD) in six patients with seriously decreased bladder capacity caused by BCG treatment. METHODS: Six patients with low bladder capacity (<100 ml in voiding diaries) and complaint of grade 3 irritative symptoms were diagnosed with decreased bladder capacity and treated with BHD...
October 5, 2016: Scandinavian Journal of Urology
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